Question

Rearrange this expression into quadratic form, a x 2 + b x + c = 0 , and identify the values of a , b , and c .

Answer 1

completed question:Rearrange this expression into quadratic form, a x 2 + b x + c = 0 , and identify the values of a , b , and c .

$0.2=\frac{x^{2} }{85-x}$

Answer:

a=5, b=1, c=-85

Step-by-step explanation:

$0.2=\frac{x^{2} }{85-x}$

0.2(85-x) =${x^{2}$

17-0.2x=${x^{2}$

${x^{2}$=17-0.2x

${x^{2}$+0.2x-17=0

multiply through by 5

${5x^{2}$+x-85=0

comparing this equation to the general quadratic equation;

${a^{2}$+bx+c=0

a=5, b=1, c=-85